1 . 请认真阅读下列各小题，并根据上下文语境，从方框中选择适当的短语（有两个多余选项），并以其正确的形式填空使语义完整。注意：请将答案的完整形式写在答题卡上相应题号的横线上。

keep pace with; use up; clean up; pick out; before long; push ahead with; follow in one's footsteps; get through; pick up; run out; end up; burn out

1. I understand that other countries have already begun trying to clone human beings,but this doesn't mean that we should__________.
2. Matthew could not__________the game,and as a result of his careless playing we lost.
3. Failing to catch the only train, I __________returning to the train station and spending the rest of the day in the waiting room.
4. I finally managed to__________my driving test.
5. Some scientists are__________research in order to produce a cloned human baby.
6. Due to the pandemic of Covid-19, the conditions in the city are getting worse and supplies are__________
7. I cheered up when I__________my father's voice from among the general conversation.
8. The boy lay on the sofa and fell asleep__________.
9. Nina and Mary were in the kitchen, __________after dinner.
10. Having been doing his homework for four hours, he__________.

2 . Many more firms are p_______ in the growth of demand on the world markets. (根据首字母填空)

3 . —I cannot stand seeing Tom so weak.Now,he has to stay at home.
—You're cheated.He's not really hurt-he's only p_______________(根据首字母填空)

4 . -With American tech companies cutting ties with China's Huaiwei, US___________ the global economic recovery now.
-I can’t agree more. I believe more damage is on the way.

A．is damaging

B．has damaged

C．damaged

D．had damaged

5 . “We pray for the firefighters who their best to deal with this desperate situation now," the spokesman said immediately he heard about the big fire.

A．are trying

B．have tried

C．had tried

D．will try

6 . Food supplies in the flood-stricken area ________． We must act immediately before there's________ left．

A．have run out； nothing	B．are running out； none
C．have been run out； none	D．are being run out； no one

7 . ----Do you live in the neighborhood near Nanjing Road?
----No. I ________ there these days to visit my uncle.

A．have stayed

B．would stay

C．had stayed

D．am staying

8 . Distinguished guests and friends, welcome to our school. __________ the ceremony of the 130^th Anniversary are our schoolmates from home and abroad.

A．Having attended	B．Attending
C．To attend	D．Attend

9 . The police have put up posters with photos of the man they ________ in connection with the killing of two customers inside an ATM cabinet.

A．seek	B．are seeking
C．have sought	D．were seeking

10 . —Have the parts we need for the copying machine arrived yet?
—I ordered them last week, but something ________ them up.

A．holds	B．is going to hold
C．will hold	D．is holding